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8411 21 Ave

Brooklyn, NY 11214Company-ownedBBL 3063350006BIN 3165415
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Updated Aug 1, 2026 · 16 sources

Year Built1924
Floors4
Units34
Building Area30,000 sqft
ZoningR5
ClassC1
Market Value$2M

8411 21 AVE is a property located at 8411 21 AVE, Brooklyn, NY 11214. It is classified as a walk-up apartment - over six families without stores. The building was constructed in 1924. It has 4 floors and 34 units. The building area is 30,000 square feet on a 10,000 sqft lot. The property is zoned R5. The assessed market value is $2M. Public records list the property as company-owned. There are 4 building permits on record (2 active). There are 48 violations on record (22 currently open). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

147records on file
26Energy Star

Completed in 1924, 8411 21 Ave rises 4 stories over Kings. Public records put it at 34 units and 30,000 square feet of floor area, on land zoned R5. It is carried on the public rolls at a market value of $2.0M, and assessed for tax at $904K. In the 53 years its record reaches back, the lot has drawn 147 separate government filings.

The documentary life of the address leans hard toward complaint: 50 of its 147 records, fully 34%, fall under that one heading. Violation (48) and inspection (12) trail well behind. 22 violations stand open against it today.

The pace is anything but even. The early decades pass in near silence; the filings cluster heavily in recent years, peaking in 2025.

On the environmental ledger, the building posts an Energy Star score of 26, with a site energy-use intensity of 99.4 kBtu per square foot. Its operations answer for roughly 174 metric tons of CO2-equivalent a year.

Read together — 34% complaint, 53 years of accumulation, a parcel of Kings — these scattered records compose a portrait of the address that no single page sets out to draw.

$2.0M of Kings, written across 147 government filings.

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Sources
NYC DOBNYC HPDNYC DOFACRISNYC DCPECB/OATHNYC DEPNYC LPCNYC FDNYNYS DHCRMOCEJFEMAEPAUS CensusHUDUSGS
updated

Property Details

Address8411 21 AVE, Brooklyn, NY 11214
Building TypeWalk-Up Apartment - Over Six Families Without Stores
C1
Year Built1924
Floors4
Total Units34
Building Area30,000 sqft
Lot Size10,000 sqft
ZoningR5
ConditionAverage
3063350006
3165415
OwnershipCompany-owned

Assessment & Sales

$2M
$904K
$135K

Building Permits

4 on record · 2 active
Cats RegistrationOther
EXPIRED
Filed Mar 30, 2022Job #353530
View this permit's full record & inspection history →
Alteration — Type 2DOB Legacy
SIGNED OFF
Filed Feb 4, 2011Est. cost $1KJob #320147266-01
View this permit's full record & inspection history →
PlumbingDOB Legacy
ISSUED
Filed Apr 21, 2010Job #320147266-01-01

FB

View this permit's full record & inspection history →
PlumbingDOB Legacy
ISSUED
Filed Apr 21, 2010Job #320147266-1-1-hist

FB

View this permit's full record & inspection history →

Violations

48 on record · 22 open
HPDClass B
FALSE CERTIFICATION
Issued Jun 11, 2025#18035874

§ 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES HOUSEHOLD ITEMS AT 1ST STACK FROM EAST AT NORTH EXTERIOR WALL AT FIRE ESCAPE, 2nd STORY

View this violation's full details & status history →
HPDClass B
FIRST NO ACCESS TO RE- INSPECT VIOLATION
Issued May 12, 2025#18228918

§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10 SQUARE FEET AT THE WINDOW FRAME 1ST FROM WEST AT NORTH IN THE BATHROOM LOCATED AT APT A1, 1st STORY, 1st APARTMENT FROM WEST AT NORTH , SECTION ''NORTH'' ORIGINAL VIOLATION 17887252 ISSUED 12-MAY-25 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE 27-2017.3a(3)(a) or (b).

View this violation's full details & status history →
DOB LegacyEGRADE
ACTIVE
Issued Apr 29, 2021#2522170

FAILURE TO DISPLAY ENERGY EFFICIENCY SCORE AND ENERGY EFFICIENCY GRADE AS PER ADCODE SEC. 28-309.12.3

View this violation's full details & status history →

+ 45 more violations on record — view full report

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Title history, detailed tax records, environmental data, zoning analysis, and more from 250+ government sources.

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Frequently Asked Questions

When was 8411 21 AVE, Brooklyn built?

The building at 8411 21 AVE, Brooklyn, NY 11214 was constructed in 1924. It is classified as a walk-up apartment - over six families without stores with 4 floors and 34 units. The building area is 30,000 sqft.

Are there building permits at 8411 21 AVE, Brooklyn?

Yes. 8411 21 AVE, Brooklyn, NY 11214 has 4 building permits on record, with 2 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Cats Registration (EXPIRED) filed Mar 30, 2022.

Does 8411 21 AVE, Brooklyn have violations?

Yes. 8411 21 AVE, Brooklyn, NY 11214 has 48 violations on record, with 22 currently open. Breakdown: 2 DOB, 4 ECB, 42 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 8411 21 AVE, Brooklyn have docketed judgments?

No docketed OATH judgments were found in local records for 8411 21 AVE, Brooklyn, NY 11214. Judgment data is sourced from NYC Office of Administrative Trials & Hearings (OATH) hearing records.

What is the property tax assessment for 8411 21 AVE?

8411 21 AVE, Brooklyn, NY 11214 has an assessed market value of $2M and a total assessed value of $904K (land: $135K). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 8411 21 AVE?

8411 21 AVE, Brooklyn, NY 11214 is zoned R5. Zoning data is from the NYC Department of City Planning (DCP). For detailed FAR, overlays, and development rights, view the full property report on RegWatch.

Who owns 8411 21 AVE?

8411 21 AVE, Brooklyn, NY 11214 is company-owned according to public records. Ownership data is from NYC Department of Finance assessment rolls. View the current owner of record and registered contacts in the full property report on RegWatch.

How do I get a full property report for 8411 21 AVE?

Search 8411 21 AVE on RegWatch to see its public record free — violations, permits, tax records, zoning, environmental data, and more from 250+ government sources, no credit card required. A Full Analysis report adds the complete title history, owner contacts, and a downloadable PDF.

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8411 21 AVE, Brooklyn, NY 11214 — Property Records, Permits, Violations, Tax & Zoning | RegWatch